For Hilton Head Reef - Tank 1 :
No gale warning.
The reliability of the situation is very good.
Cloudy spells, sometimes dense. Chance of light rain. In the evening, changeable skies with risk of storms.
Possibility of showers S wind force 4 from the middle of the day. Gusts reaching 24 knots in the evening. Slight sea. Low, short swell from SE. Excellent visibility.